| 21 Wellington Avenue, Sidcup | Freehold | 188 m² | £650,000 (2023) |
| 23, Wellington Avenue, Sidcup | - | 66 m² | - |
| 25, Wellington Avenue, Sidcup | Freehold | 75 m² | £360,000 (2020) |
| 35, Wellington Avenue, Sidcup | Freehold | 87 m² | £375,000 (2015) |
| 37 Wellington Avenue, Sidcup | Freehold | 89 m² | £245,000 (2011) |
| 39, Wellington Avenue, Sidcup | Freehold | 82 m² | £392,500 (2020) |
| 41, Wellington Avenue, Sidcup | Freehold | 77 m² | £375,000 (2017) |
| 53, Wellington Avenue, Sidcup | - | 100 m² | - |
| 55 Wellington Avenue, Sidcup | - | 78 m² | - |
| 59 Wellington Avenue, Sidcup | - | 81 m² | - |
| 65 Wellington Avenue, Sidcup | Freehold | 81 m² | £475,000 (2022) |
| 69, Wellington Avenue, Sidcup | Freehold | 79 m² | £338,000 (2016) |
| 71, Wellington Avenue, Sidcup | Freehold | 84 m² | £358,000 (2018) |
| 75 Wellington Avenue, Sidcup, Sidcup | Freehold | 149 m² | £465,500 (2021) |
| 77, Wellington Avenue, Sidcup | Freehold | 68 m² | £195,000 (2013) |
| 83, Wellington Avenue, Sidcup | Freehold | 89 m² | £320,000 (2014) |
| 85, Wellington Avenue, Sidcup | Freehold | 64 m² | £370,000 (2023) |
| 89, Wellington Avenue, Sidcup | Freehold | 75 m² | £410,000 (2021) |
| 91 Wellington Avenue, Sidcup | - | 69 m² | - |
| 91A Wellington Avenue, Sidcup | - | 117 m² | - |
| 95, Wellington Avenue, Sidcup | Freehold | 58 m² | £122,000 (2001) |
| 97 Wellington Avenue, Sidcup | - | 68 m² | - |
| 99 Wellington Avenue, Sidcup | Freehold | 58 m² | £425,000 (2024) |
| 101 Wellington Avenue, Sidcup | Freehold | 52 m² | £375,000 (2025) |
| 103A, Wellington Avenue, Sidcup | Freehold | 87 m² | £370,000 (2018) |